Description

α-Diphenylglyoxime is a high-purity organic compound widely recognized as a highly selective analytical reagent. Its primary value lies in its exceptional chelating properties, making it a critical component for the precise detection and quantification of specific metal ions in complex matrices. This chemical is essential for industries and laboratories requiring rigorous analytical control, particularly in metallurgy, environmental testing, and advanced material research. Its reliable performance underpins quality assurance protocols where accuracy is non-negotiable.

Application

• Analytical Chemistry Reagent: Primarily used as a specific and sensitive colorimetric reagent for the gravimetric and spectrophotometric determination of nickel and palladium ions.
• Metallurgical Analysis: Employed in the assay of ores, alloys, and plating baths to determine nickel content with high selectivity over other metals.
• Environmental Monitoring: Applied in testing water and soil samples for trace heavy metal contamination, specifically targeting nickel.
• Catalyst Research & Synthesis: Serves as a ligand in the preparation of coordination complexes and catalysts for organic synthesis and industrial processes.
• Pharmaceutical Intermediates: Utilized in the research and development of specialized organic compounds and active pharmaceutical ingredients (APIs).
• Quality Control Laboratories: A standard reagent in QC labs for raw material inspection and finished product analysis in metal-related industries.

Basic Information

Product Name	α-Diphenylglyoxime
CAS No.	522-34-9
Molecular Formula	C14H12N2O2
Molecular Weight	240.26 g/mol
Synonyms	Diphenylglyoxime; 1,2-Diphenylethanedione dioxime; Benzil dioxime; α-Diphenylglyoxime; α-Benzildioxime; Nickel reagent; PDG; Palladium reagent; Diacetyldioxime diphenyl derivative
EINECS	208-317-5

Quality Control

Our α-Diphenylglyoxime is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for analytical reagent applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to guarantee traceability and consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which may affect performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	238°C - 242°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Solubility (in Ethanol)	Clear solution

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.